/Engine/Source/Runtime/SignalProcessing/Public/DSP/AudioFFT.h
Resets the filter window. NOT thread safe to call during ProcessAudio. This function can be called with a time domain impulse response, or precomputed frequency values. FilterSize must be a power of two.
void SetFilter ( const [FAlignedFloatBuffer](API\Runtime\SignalProcessing\DSP\FAlignedFloatBuffer) & TimeDomainBuffer )